Brandwave

BIAS FX vs STL Tones:Which is more popular?

In October 2026, STL Tones had more branded searches than BIAS FX among guitar amp simulators worldwide. STL Tones had about 5,400 branded searches, while BIAS FX had 4,400. STL Tones made up 2.4% of all guitar amp simulator searches we track, and BIAS FX accounted for 2%. When we asked ChatGPT and Google AI Overviews about guitar amp simulators, STL Tones appeared in one of the five answers and BIAS FX in none.

Among guitar amp simulators worldwide in October 2026

Who do people search for more?

STL Tones, about 23% more searches than BIAS FX

STL Tones 5.4K searchesBIAS FX 4.4K searches

Who does AI mention more?

STL Tones, mentioned in 1 of 5 answers, BIAS FX in 0

STL Tones in 1 of 5BIAS FX in 0 of 5

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Top guitar amp simulators in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, STL Tones was mentioned in one out of five: in one of the three ChatGPT answers, but not in either of the two Google AI Overviews. BIAS FX did not appear in any of the five answers.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Neural DSP1st
  2. AmpliTube2nd
  3. Neural Amp Modeler3rd
  4. Guitar Rig4th
  5. Helix Native5th
  6. STL Tones6th
  7. TONEX7th
  8. BIAS FX–
  9. Overloud–
  10. Nembrini Audio–
  11. +2 more

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • Neural DSP5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Neural Amp Modeler5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • AmpliTube4 of 5Named in 2 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Guitar Rig2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Helix Native2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • TONEX1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • STL Tones1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • BIAS FX0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Overloud0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Nembrini Audio0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

+2 more

See every answer about guitar amp simulators

5 answers

Not named in any answer:

Brands are shown in the order each answer named them. The survey took place in the United States on October 27, 2026.

Is BIAS FX or STL Tones more popular in search?

This chart shows how often people search Google for BIAS FX and STL Tones by name. Each line represents a brand's share of searches for all 12 guitar amp simulator brands we track, month by month, from English-language searches worldwide.

BIAS FX and STL Tones among guitar amp simulators worldwide, by month

Share of searches by month for STL Tones, BIAS FX. The figures are in the table below the chart.

View monthly share of searches table
MonthNeural DSPTONEXAmpliTubeNeural Amp ModelerGuitar RigSTL TonesBIAS FXHelix NativeOverloudNembrini AudioKuassaMercuriall
Nov 202551.1%17.2%10.3%6.9%5.6%2.5%2.1%2.1%1.1%0.61%0.25%0.25%
Dec 202551.9%15.1%12.8%7%5.7%1.7%2.1%1.7%0.93%0.62%0.26%0.23%
Jan 202641.8%18.1%15.3%8.4%6.9%2.5%2.5%2%1.4%0.59%0.27%0.22%
Feb 202636.1%22%16.1%8.8%7.2%2.2%2.6%2.2%1.2%0.96%0.29%0.4%
Mar 202634.5%21.1%15.4%10.3%8.5%2.5%2.5%2.1%1.7%0.91%0.34%0.27%
Apr 202644.8%18.4%13.4%9%6%2.2%1.8%1.8%1.2%0.96%0.24%0.24%
May 202641.3%20.7%12.4%10.2%6.8%2.5%2%1.7%1.1%0.9%0.27%0.22%
Jun 202631.5%23.6%14.1%14.1%7.7%2.8%1.9%1.9%1.2%0.68%0.25%0.31%
Jul 202631.3%19.1%14%20.9%6.3%2.3%1.9%1.9%1%0.8%0.25%0.25%
Aug 202634.9%21.3%12.8%15.6%7%2.1%1.7%2.5%0.93%0.73%0.23%0.23%
Sep 202630.9%28.2%13.8%11.3%7.6%2.3%1.8%1.8%1%0.79%0.25%0.25%
Oct 202633.3%24.9%14.9%10%8.2%2.4%2%1.6%1.3%0.86%0.27%0.27%

How has branded search for BIAS FX and STL Tones changed worldwide over the last 12 months?

3 findings
  • The lead changed hands 2 times in the 12 months ending October 2026: BIAS FX took it in December 2025, STL Tones took it in April 2026.
  • Across the 12 months ending October 2026, BIAS FX’s share of searches among guitar amp simulators worldwide moved from 2.1% to 2%, and its estimated monthly branded searches moved from 8.1K to 4.4K.
  • Across the 12 months ending October 2026, STL Tones’ share of searches among guitar amp simulators worldwide moved from 2.5% to 2.4%, and its estimated monthly branded searches moved from 9.9K to 5.4K.

How did search popularity change for guitar amp simulators worldwide in October 2026?

2 changes

  1. Estimated monthly branded searches for BIAS FX worldwide fell 45.7% over 12 measured months, from 8.1K to 4.4K in October 2026.

  2. Estimated monthly branded searches for STL Tones worldwide fell 45.5% over 12 measured months, from 9.9K to 5.4K in October 2026.

How are BIAS FX’s and STL Tones’ branded searches counted?

2 search terms

Brandwave collects information about searches that people make online using BIAS FX’s and STL Tones’ names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

BIAS FX

1 branded search term

  • bias fx

STL Tones

1 branded search term

  • stl tones

How the Brand Demand Index is measured

Other head-to-heads among guitar amp simulators

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